12880394

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1621

約数の個数: 16

約数和(自身を含む): 19927296

約数和(自身を除く): 7046902

約数列:

[1, 2, 61, 71, 122, 142, 1487, 2974, 4331, 8662, 90707, 105577, 181414, 211154, 6440197, 12880394]

約数ペア:

[(1, 12880394), (2, 6440197), (61, 211154), (71, 181414), (122, 105577), (142, 90707), (1487, 8662), (2974, 4331)]